FR2270988A1 - Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images - Google Patents

Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images

Info

Publication number
FR2270988A1
FR2270988A1 FR7416974A FR7416974A FR2270988A1 FR 2270988 A1 FR2270988 A1 FR 2270988A1 FR 7416974 A FR7416974 A FR 7416974A FR 7416974 A FR7416974 A FR 7416974A FR 2270988 A1 FR2270988 A1 FR 2270988A1
Authority
FR
France
Prior art keywords
lens
template
polarised
appts
images
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7416974A
Other languages
English (en)
French (fr)
Other versions
FR2270988B3 (ja
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASSELIN ROBERT FR
Original Assignee
ASSELIN ROBERT FR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ASSELIN ROBERT FR filed Critical ASSELIN ROBERT FR
Priority to FR7416974A priority Critical patent/FR2270988A1/fr
Publication of FR2270988A1 publication Critical patent/FR2270988A1/fr
Application granted granted Critical
Publication of FR2270988B3 publication Critical patent/FR2270988B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0055—Positioning of lenses; Marking of lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
FR7416974A 1974-05-16 1974-05-16 Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images Granted FR2270988A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7416974A FR2270988A1 (en) 1974-05-16 1974-05-16 Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7416974A FR2270988A1 (en) 1974-05-16 1974-05-16 Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images

Publications (2)

Publication Number Publication Date
FR2270988A1 true FR2270988A1 (en) 1975-12-12
FR2270988B3 FR2270988B3 (ja) 1977-03-11

Family

ID=9138923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416974A Granted FR2270988A1 (en) 1974-05-16 1974-05-16 Spectacles lens centring appts. for grinding machine - has rotary polarised plate system superimposing template and lens images

Country Status (1)

Country Link
FR (1) FR2270988A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184292A (en) * 1978-03-24 1980-01-22 Revlon, Inc. Vacuum chuck
FR2674164A1 (fr) * 1991-03-18 1992-09-25 Buchmann Optical Eng Dispositif pour le positionnement precis d'une ebauche de verre optique par rapport a une surface plane de reference.
FR2720312A1 (fr) * 1994-05-24 1995-12-01 Buchmann Optical Eng Agencement pour la visualisation de la zone du double foyer d'un verre ophtalmique, et appareil comportant un tel agencement.
US5498200A (en) * 1994-08-12 1996-03-12 Wernicke & Co. Gmbh Device for parallex-free centering of a blank for a glass lens for spectacles and for providing markings and/or attaching a holder before inserting the blank into a grinding machine for blanks for glass lenses

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111872783B (zh) * 2020-07-30 2021-07-27 安捷睿（厦门）机器人有限公司 一种镜片对焦加工装置及镜片对焦加工方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184292A (en) * 1978-03-24 1980-01-22 Revlon, Inc. Vacuum chuck
FR2674164A1 (fr) * 1991-03-18 1992-09-25 Buchmann Optical Eng Dispositif pour le positionnement precis d'une ebauche de verre optique par rapport a une surface plane de reference.
FR2720312A1 (fr) * 1994-05-24 1995-12-01 Buchmann Optical Eng Agencement pour la visualisation de la zone du double foyer d'un verre ophtalmique, et appareil comportant un tel agencement.
US5498200A (en) * 1994-08-12 1996-03-12 Wernicke & Co. Gmbh Device for parallex-free centering of a blank for a glass lens for spectacles and for providing markings and/or attaching a holder before inserting the blank into a grinding machine for blanks for glass lenses

Also Published As

Publication number Publication date
FR2270988B3 (ja) 1977-03-11

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